Sony WH-CH720N/PC Wireless Headphones (Pink)

Closed

Dynamic, 30 mm

325 ohms (1 kHz) (when connecting via the headphone cable with the unit turned on), 31 ohms (1 kHz) (when connecting via the headphone cable with the unit turned off)

7–20,000 Hz (JEITA)

7–20,000 Hz (JEITA)

20–20,000 Hz (Sampling frequency 44.1 kHz)

108 dB/mW (when connecting via the headphone cable with the unit turned on) , 99 dB/mW (when connecting via the headphone cable with the unit turned off)

Yes

Single-sided (detachable)

Approx. 1.2 m

Gold-plated L-shaped stereo mini plug

Stereo Mini Jack

Over Ear

Yes

Yes

Yes

Approx. 3.5 hrs

USB

Max. 35 hrs (NC ON) , Max. 50 hrs (NC OFF)

Max. 35 hrs (NC ON) , Max. 40 hrs (NC OFF)

Bluetooth Specification Version 5.2

Approx. 10 m

2.4 GHz band (2.4000–2.4835 GHz)

A2DP, AVRCP, HFP, HSP

SBC, AAC

SCMS-T

Yes